Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bladder_fern

1 sense of bladder fern

Sense 1
bladder fern -- (any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori)
       => fern -- (any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores)